RCP 160 Midterm STUDY GUIDE WITH COMPLETE SOLUTION
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Course
RCP 160
Institution
RCP 160
Calculate the tubing compliance (CT) when the measured volume is 150 mL and
the static pressure is 53 cm H2O.
Question options:
-0.003 mL/cm H2O
-0.35 cm H2O/mL
-2.8 mL/cm H2O
-7.95cm H2O/mL - CORRECT ANSWER 2.8 mL/cm H2O
Feedback: Calculate tubing compliance (CT) by dividing measured volume...
RCP 160 Midterm STUDY GUIDE
WITH COMPLETE SOLUTION
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RCP 160 Midterm STUDY GUIDE WITH
COMPLETE SOLUTION
Calculate the tubing compliance (CT) when the measured volume is 150 mL and
the static pressure is 53 cm H2O.
Feedback: Calculate tubing compliance (CT) by dividing measured volume by
measured static pressure.
When initially setting up a ventilator the plateau pressure (PPlateau) is measured
at 47 cm H2O with a set volume of 100 mL. After applying the ventilator to the
patient, the average peak pressure reached during volume delivery is 28 cm H2O.
How much volume is lost in the ventilator tubing?
- 13 mL
- 60 mL
- 147 mL
- 168 mL - CORRECT ANSWER 60 mL
Feedback:Calculate tubing compliance (CT) by dividing measured volume by
measured static pressure. The amount of volume lost to the circuit equals the
pressure reached during a tidal volume (VT) delivery multiplied by the CT factor.
Calculate the average tidal volume for a patient who has a minute ventilation of
10 L/min with a respiratory rate (RR) of 12 bpm.
- 120 mL
- 833 mL
- 1000 mL
- 1200 mL - CORRECT ANSWER -833 mL
feedback- Minute ventilation equals respiratory rate multiplied by tidal volume
(VT). Therefore, tidal volume equals minute ventilation divided by respiratory
rate.
Calculate the inspiratory time (TI) when a ventilator is set at a tidal volume (VT) of
800 mL and a constant flow rate of 40 L/min.
Question options:
- 1:1.1
1
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RCP 160 Midterm STUDY GUIDE WITH
COMPLETE SOLUTION
- 1:2.5
- 1:3.5
- 1:4 - CORRECT ANSWER -1:2.5
Feedback- Minute ventilation equals respiratory rate multiplied by tidal volume.
Calculate the inspiratory to expiratory (I:E) ratio when the inspiratory time is 0.5
seconds and the respiratory rate is 30 bpm.
- 1:3
- 1:4
- 4:1
- 3:1 - CORRECT ANSWER - 1:3
Feedback: Total Cycle Time (TCT) = 60 sec/f; TCT - Inspiratory Time (TI) =
Expiratory Time (TE); TI:TE = 1:X
Calculate the inspiratory to expiratory (I:E) ratio for a ventilator that is set to
deliver 850 mL at a frequency of 15 bpm with a flow rate of 45 L/min.
- 1:1.1
- 1:2.5
- 1:3.5
- 1:4 - CORRECT ANSWER - 1:2.5
feedback: Minute ventilation equals respiratory rate multiplied by tidal volume.
Calculate the expiratory time (TE) when the ventilator frequency is set to 25 bpm
and the inspiratory time (TI) is 0.75 second.
- 0.75 second
- 1.16 seconds
- 1.65 seconds
- 2.4 seconds - CORRECT ANSWER -1.65 seconds
Feedback: Hide Feedback
Total Cycle Time (TCT) = 60 sec/f; TCT - Inspiratory Time (TI) = Expiratory Time (TE)
What is the flow rate necessary to deliver a tidal volume (VT) of 600 mL, with a
constant waveform, at a respiratory rate of 15 breaths/min with an I:E of 1:4?
- 36 L/min
- 40 L/min
- 45 L/min
- 60 L/min - CORRECT ANSWER -45 L/min
feedback: Hide Feedback
Total Cycle Time (TCT) = 60 sec/f; Inspiratory Time (TI) = TCT/Inspired (I) + Expired
(E); Flow rate = Tidal Volume (VT)/Inspiratory Time (TI)
2
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